JPWO2010041309A1 - Portable ultrasonic mist generator - Google Patents

Portable ultrasonic mist generator Download PDF

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JPWO2010041309A1
JPWO2010041309A1 JP2009541663A JP2009541663A JPWO2010041309A1 JP WO2010041309 A1 JPWO2010041309 A1 JP WO2010041309A1 JP 2009541663 A JP2009541663 A JP 2009541663A JP 2009541663 A JP2009541663 A JP 2009541663A JP WO2010041309 A1 JPWO2010041309 A1 JP WO2010041309A1
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temperature
ultrasonic transducer
temperature sensor
mist
ultrasonic
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JP4447656B1 (en
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義光 小西
義光 小西
真紀子 小西
真紀子 小西
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KONISHI SEIKO CO., LTD.
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/06—Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths
    • A61H33/12—Steam baths for the face
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0615—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced at the free surface of the liquid or other fluent material in a container and subjected to the vibrations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5058—Sensors or detectors
    • A61H2201/5082—Temperature sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
    • A61H23/0245—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with ultrasonic transducers, e.g. piezoelectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0012—Apparatus for achieving spraying before discharge from the apparatus

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Special Spraying Apparatus (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Abstract

携帯用超音波ミスト発生装置において、温度センサ１８によって超音波振動子３の温度が検出され、温度センサ１８の検出信号にもとづき、制御装置２０によって発振回路７の発振信号が制御されることにより、超音波振動子３の温度が変化しても、それに関係なく、ミスト１３の噴出量を一定に保つものである。In the portable ultrasonic mist generator, the temperature of the ultrasonic transducer 3 is detected by the temperature sensor 18, and the oscillation signal of the oscillation circuit 7 is controlled by the control device 20 based on the detection signal of the temperature sensor 18. Even if the temperature of the ultrasonic transducer 3 changes, the ejection amount of the mist 13 is kept constant regardless of the temperature.

Description

この発明は、携帯用超音波ミスト発生装置に関するものである。   The present invention relates to a portable ultrasonic mist generator.

本願出願前、出願人は新しい形式の携帯用超音波ミスト発生装置を開発し、提案した。特開２００５−１１１３２８号公報（特許文献１）および特開２００６−１４２１１９号公報（特許文献２）に記載されているものがそれである。   Prior to filing this application, the applicant developed and proposed a new type of portable ultrasonic mist generator. This is what is described in JP-A-2005-111328 (Patent Document 1) and JP-A-2006-142119 (Patent Document 2).

各公報の装置では、超音波振動子がタンクの底面に設けられる。さらに、発振回路が増幅器に接続され、増幅器が超音波振動子に接続され、発振回路によって発振信号が送られ、発振信号によって超音波振動子が振動し、超音波が発振される。したがって、超音波によってタンクの液体が振動し、その液面から液柱が噴出し、液柱によってミストが発生する。さらに、ノズルがタンクに接続され、ノズルからミストが噴出する。したがって、たとえば、この装置を美顔術に使用し、ミストを顔に吹き付け、皮膚に吸収させることができる。   In the apparatus of each publication, an ultrasonic transducer is provided on the bottom surface of the tank. Further, the oscillation circuit is connected to an amplifier, the amplifier is connected to an ultrasonic transducer, an oscillation signal is sent by the oscillation circuit, the ultrasonic transducer is vibrated by the oscillation signal, and an ultrasonic wave is oscillated. Accordingly, the liquid in the tank is vibrated by the ultrasonic waves, the liquid column is ejected from the liquid surface, and mist is generated by the liquid column. Further, the nozzle is connected to the tank, and mist is ejected from the nozzle. Thus, for example, this device can be used for facial surgery, and mist can be sprayed on the face and absorbed by the skin.

この場合、ミストの噴出量を一定に保つことが要求される。ミストの噴出量に関係するものは超音波振動子の振幅であり、発振回路の発振信号である。発振信号のエネルギーが大きいほど超音波振動子の振幅が大きく、ミストの噴出量も大きく、発振信号のエネルギーが小さいほど超音波振動子の振幅が小さく、ミストの噴出量も小さい。したがって、発振信号のエネルギーを一定に保つと、ミストの噴出量も一定に保たれるはずであるが、問題は超音波振動子の温度である。たとえば、超音波振動子が振動すると、それによって超音波振動子が発熱し、その温度が上昇する。そして、温度が高いほど超音波振動子は振動しやすい。したがって、超音波振動子の温度が上昇すると、それによって超音波振動子の振幅が増大し、ミストの噴出量も増大する。反対に、超音波振動子の温度が低下すると、それによって超音波振動子の振幅が減少し、ミストの噴出量も減少する。このため、発振信号のエネルギーを一定に保っても、ミストの噴出量を一定に保つことができないという問題があったものである。   In this case, it is required to keep the mist ejection amount constant. What is related to the amount of mist ejected is the amplitude of the ultrasonic transducer, which is the oscillation signal of the oscillation circuit. The larger the energy of the oscillation signal, the larger the amplitude of the ultrasonic vibrator and the larger the amount of mist ejected. The smaller the energy of the oscillation signal, the smaller the amplitude of the ultrasonic vibrator and the smaller the amount of ejected mist. Therefore, if the energy of the oscillation signal is kept constant, the amount of mist ejected should be kept constant, but the problem is the temperature of the ultrasonic transducer. For example, when the ultrasonic vibrator vibrates, the ultrasonic vibrator generates heat and its temperature rises. The ultrasonic transducer is more likely to vibrate as the temperature is higher. Therefore, when the temperature of the ultrasonic transducer rises, the amplitude of the ultrasonic transducer increases and the amount of mist ejected also increases. On the other hand, when the temperature of the ultrasonic vibrator is lowered, the amplitude of the ultrasonic vibrator is thereby reduced, and the amount of mist ejected is also reduced. For this reason, there is a problem that even if the energy of the oscillation signal is kept constant, the amount of mist ejection cannot be kept constant.

したがって、この発明は、携帯用超音波ミスト発生装置において、超音波振動子の温度が変化しても、それに関係なく、ミストの噴出量を一定に保つことを目的としてなされたものである。
特開２００５−１１１３２８号公報 特開２００６−１４２１１９号公報 Therefore, the present invention has been made for the purpose of keeping the amount of mist ejection constant in a portable ultrasonic mist generating apparatus regardless of changes in the temperature of the ultrasonic vibrator.
JP 2005-111328 A JP 2006-142119 A

この発明によれば、超音波振動子がタンクの底面に設けられることは上記公報のものと同様である。さらに、発振回路が増幅器に接続され、増幅器が超音波振動子に接続され、発振回路によって発振信号が送られ、発振信号によって超音波振動子が振動し、超音波が発振される。したがって、超音波によってタンクの液体が振動し、その液面から液柱が噴出し、液柱によってミストが発生する。さらに、ノズルがタンクに接続され、ノズルからミストが噴出する。   According to the present invention, the ultrasonic transducer is provided on the bottom surface of the tank as in the above publication. Further, the oscillation circuit is connected to an amplifier, the amplifier is connected to an ultrasonic transducer, an oscillation signal is sent by the oscillation circuit, the ultrasonic transducer is vibrated by the oscillation signal, and an ultrasonic wave is oscillated. Accordingly, the liquid in the tank is vibrated by the ultrasonic waves, the liquid column is ejected from the liquid surface, and mist is generated by the liquid column. Further, the nozzle is connected to the tank, and mist is ejected from the nozzle.

さらに、この発明によれば、温度センサによって超音波振動子の温度が検出される。超音波振動子の温度は間接的に検出される。さらに、制御装置が発振回路および温度センサに接続され、温度センサの検出信号にもとづき、制御装置によって発振回路の発振信号が制御され、ミストの噴出量が一定に保たれる。   Furthermore, according to the present invention, the temperature of the ultrasonic transducer is detected by the temperature sensor. The temperature of the ultrasonic transducer is indirectly detected. Further, the control device is connected to the oscillation circuit and the temperature sensor, and the oscillation signal of the oscillation circuit is controlled by the control device based on the detection signal of the temperature sensor, so that the amount of mist ejected is kept constant.

好ましい実施例では、放熱板が超音波振動子付近に配置され、温度センサが放熱板に取り付けられる。したがって、温度センサによって放熱板の温度が検出され、超音波振動子の温度が間接的に検出される。   In a preferred embodiment, a heat sink is disposed near the ultrasonic transducer and a temperature sensor is attached to the heat sink. Therefore, the temperature sensor detects the temperature of the heat sink and indirectly detects the temperature of the ultrasonic transducer.

他の実施例では、超音波振動子付近において、温度センサがタンク内に配置され、温度センサによって液体の温度が検出され、超音波振動子の温度が間接的に検出される。   In another embodiment, a temperature sensor is disposed in the tank near the ultrasonic transducer, the temperature of the liquid is detected by the temperature sensor, and the temperature of the ultrasonic transducer is indirectly detected.

この発明の実施例を示す説明図である。It is explanatory drawing which shows the Example of this invention. 他の実施例を示す説明図である。It is explanatory drawing which shows another Example.

符号の説明Explanation of symbols

２ 液体収容タンク
３ 超音波振動子
５，６ 液体
７ 発振回路
１０ 超音波
１１ 液面
１２ 液柱
１３ ミスト
１４ ノズル
１８ 温度センサ
１９ 放熱板
２０ 制御装置2 Liquid storage tank 3 Ultrasonic vibrators 5 and 6 Liquid 7 Oscillation circuit 10 Ultrasound 11 Liquid surface 12 Liquid column 13 Mist 14 Nozzle 18 Temperature sensor 19 Heat sink 20 Control device

以下、この発明の実施例を説明する。   Examples of the present invention will be described below.

図１はこの発明にかかる携帯用超音波ミスト発生装置を示す。この装置はケース１、液体収容タンク２および超音波振動子３を有する。ケース１は片手で握り、持つことができる大きさのものである。タンク２はケース１の上部に内蔵されており、超音波振動子３はタンク２の底面に設けられている。この実施例では、タンク２に透過膜４が設けられ、タンク２が上部と下部に分割され、超音波振動子３は下部の底面に設けられている。さらに、タンク２の下部に液体５が充填され、透過膜４によってそれが封入されており、タンク２の上部に液体６が導入される。液体５，６は水からなる。透過膜４は樹脂製の薄膜シートからなる。   FIG. 1 shows a portable ultrasonic mist generator according to the present invention. This apparatus has a case 1, a liquid storage tank 2 and an ultrasonic transducer 3. Case 1 is of a size that can be held and held with one hand. The tank 2 is built in the upper part of the case 1, and the ultrasonic transducer 3 is provided on the bottom surface of the tank 2. In this embodiment, a permeable membrane 4 is provided in the tank 2, the tank 2 is divided into an upper part and a lower part, and the ultrasonic transducer 3 is provided on the bottom surface of the lower part. Further, the lower part of the tank 2 is filled with the liquid 5, which is enclosed by the permeable membrane 4, and the liquid 6 is introduced into the upper part of the tank 2. The liquids 5 and 6 are made of water. The permeable membrane 4 is made of a resin thin film sheet.

さらに、発振回路７が電源回路８および増幅器９に接続され、増幅器９が超音波振動子３に接続されており、発振回路７によって発振信号が送られ、発振信号によって超音波振動子３が振動し、超音波１０が発振される。増幅器９は発振信号を増幅するためのもので、パワートランジスタからなる。したがって、超音波１０によってタンク２の液体５，６が振動し、その液面１１から液柱１２が噴出し、液柱１２によってミスト１３が発生する。   Further, the oscillation circuit 7 is connected to the power supply circuit 8 and the amplifier 9, and the amplifier 9 is connected to the ultrasonic transducer 3, and an oscillation signal is sent by the oscillation circuit 7, and the ultrasonic transducer 3 vibrates by the oscillation signal. Then, the ultrasonic wave 10 is oscillated. The amplifier 9 is for amplifying the oscillation signal and is composed of a power transistor. Accordingly, the liquids 5 and 6 in the tank 2 are vibrated by the ultrasonic wave 10, the liquid column 12 is ejected from the liquid surface 11, and the mist 13 is generated by the liquid column 12.

さらに、ノズル１４がケース１の上端に設けられ、ファン１５がケース１の下部に設けられており、ノズル１４は流路１６およびタンク２に接続されている。さらに、ファン１５とタンク２間に流路１７が形成されており、ファン１５によってエアが送られ、これが流路１７を通り、タンク２に導かれる。したがって、エアによってミスト１３が送られ、これが流路１６を通り、ノズル１４からミスト１３が噴出する。したがって、たとえば、この装置を美顔術に使用し、ミスト１３を顔に吹き付け、皮膚に吸収させることができる。   Further, the nozzle 14 is provided at the upper end of the case 1, the fan 15 is provided at the lower part of the case 1, and the nozzle 14 is connected to the flow path 16 and the tank 2. Further, a flow path 17 is formed between the fan 15 and the tank 2, and air is sent by the fan 15, and this is guided to the tank 2 through the flow path 17. Therefore, the mist 13 is sent by air, passes through the flow path 16, and the mist 13 is ejected from the nozzle 14. Therefore, for example, this device can be used for facial treatment, and the mist 13 can be sprayed on the face and absorbed by the skin.

さらに、この装置では、温度センサ１８によって超音波振動子３の温度が検出される。超音波振動子３の温度は間接的に検出される。この実施例では、放熱板１９が超音波振動子３付近に配置され、温度センサ１８が放熱板１９に取り付けられている。放熱板１９は超音波振動子３の熱を放出するためのものである。そして、タンク２の底面において、その中央部分が下方に突出し、突出部分の下端に超音波振動子３が設けられ、放熱板１９の中央部分に貫通孔が形成され、その貫通孔がタンク２の突出部分にはめ合わされている。さらに、突出部分のまわりにおいて、放熱板１９がタンク２の底面に向かって押し上げられ、タンク２の底面に押し付けられており、温度センサ１８が放熱板１９に貼り付けられ、取り付けられている。したがって、温度センサ１８によって放熱板１９の温度が検出され、超音波振動子３の温度が間接的に検出される。   Further, in this apparatus, the temperature of the ultrasonic transducer 3 is detected by the temperature sensor 18. The temperature of the ultrasonic transducer 3 is detected indirectly. In this embodiment, the heat radiating plate 19 is disposed in the vicinity of the ultrasonic transducer 3, and the temperature sensor 18 is attached to the heat radiating plate 19. The heat radiating plate 19 is for releasing the heat of the ultrasonic transducer 3. Then, at the bottom surface of the tank 2, the central portion protrudes downward, the ultrasonic vibrator 3 is provided at the lower end of the protruding portion, a through hole is formed in the central portion of the heat radiating plate 19, and the through hole is formed in the tank 2. It is fitted to the protruding part. Further, around the protruding portion, the heat radiating plate 19 is pushed up toward the bottom surface of the tank 2 and is pressed against the bottom surface of the tank 2, and the temperature sensor 18 is attached to and attached to the heat radiating plate 19. Therefore, the temperature sensor 18 detects the temperature of the heat sink 19 and indirectly detects the temperature of the ultrasonic transducer 3.

さらに、制御装置２０が発振回路７、電源回路８および温度センサ１８に接続されており、温度センサ１８の検出信号にもとづき、制御装置２０によって発振回路７の発振信号が制御され、ミスト１３の発生量および噴出量が一定に保たれる。たとえば、超音波振動子３が振動すると、それによって超音波振動子３が発熱し、その温度が上昇するが、温度センサ１８によってそれが検出され、その検出信号にもとづき、制御装置２０によって発振回路７の発振信号が制御され、そのエネルギーが減少する。したがって、超音波振動子３の温度が上昇しても、それによって超音波振動子３の振幅は増大せず、ミスト１３の発生量および噴出量は増大しない。反対に、超音波振動子３の温度が低下すると、温度センサ１８によってそれが検出され、その検出信号にもとづき、制御装置２０によって発振回路７の発振信号が制御され、そのエネルギーが増大する。したがって、超音波振動子３の温度が低下しても、それによって超音波振動子３の振幅は減少せず、ミスト１３の発生量および噴出量は減少しない。この結果、ミスト１３の噴出量を一定に保つことができるものである。制御装置２０はコンピュータからなり、発振回路７の発振信号が制御されるとき、その制御はプログラム制御である。   Further, the control device 20 is connected to the oscillation circuit 7, the power supply circuit 8 and the temperature sensor 18, and the oscillation signal of the oscillation circuit 7 is controlled by the control device 20 based on the detection signal of the temperature sensor 18, thereby generating the mist 13. Volume and squirt volume are kept constant. For example, when the ultrasonic transducer 3 vibrates, the ultrasonic transducer 3 generates heat and its temperature rises, but this is detected by the temperature sensor 18 and is detected by the control device 20 based on the detection signal. 7 oscillation signal is controlled and its energy is reduced. Therefore, even if the temperature of the ultrasonic transducer 3 rises, the amplitude of the ultrasonic transducer 3 does not increase thereby, and the generation amount and the ejection amount of the mist 13 do not increase. On the other hand, when the temperature of the ultrasonic transducer 3 is lowered, it is detected by the temperature sensor 18, and based on the detection signal, the oscillation signal of the oscillation circuit 7 is controlled by the control device 20, and the energy is increased. Therefore, even if the temperature of the ultrasonic vibrator 3 is lowered, the amplitude of the ultrasonic vibrator 3 is not reduced thereby, and the generation amount and the ejection amount of the mist 13 are not reduced. As a result, the ejection amount of the mist 13 can be kept constant. The control device 20 comprises a computer, and when the oscillation signal of the oscillation circuit 7 is controlled, the control is program control.

したがって、この装置の場合、ミストを顔に吹き付け、皮膚に吸収させるとき、超音波振動子３の温度が変化しても、それに関係なく、ミスト１３の噴出量が一定に保たれ、好ましい。さらに、温度センサ１８を超音波振動子３に貼り付けると、温度センサ１８および接着剤が超音波振動子３の振動に影響するという問題があるが、この装置の場合、温度センサ１８が放熱板１９に貼り付けられ、取り付けられ、超音波振動子３の温度が間接的に検出されることは前述したとおりである。したがって、温度センサ１８および接着剤が超音波振動子３の振動に影響することもない。   Therefore, in the case of this apparatus, when the mist is sprayed on the face and absorbed by the skin, even if the temperature of the ultrasonic vibrator 3 changes, the amount of the mist 13 ejected is kept constant regardless of the temperature. Further, when the temperature sensor 18 is attached to the ultrasonic transducer 3, there is a problem that the temperature sensor 18 and the adhesive affect the vibration of the ultrasonic transducer 3. In this apparatus, the temperature sensor 18 is a heat sink. As described above, the temperature of the ultrasonic transducer 3 is indirectly detected by being attached to 19 and attached thereto. Therefore, the temperature sensor 18 and the adhesive do not affect the vibration of the ultrasonic transducer 3.

図２は他の実施例を示す。この実施例では、超音波振動子３付近において、温度センサ１８がタンク２内に配置され、その壁面に貼り付けられ、取り付けられている。したがって、温度センサ１８によって液体５の温度を検出し、超音波振動子３の温度を間接的に検出することができる。さらに、制御装置２０が発振回路７および温度センサ１８に接続されている。したがって、温度センサ１８の検出信号にもとづき、制御装置２０によって発振回路７の発振信号を制御し、ミスト１３の噴出量を一定に保つことができる。温度センサ１８および接着剤が超音波振動子３の振動に影響することもない。   FIG. 2 shows another embodiment. In this embodiment, a temperature sensor 18 is disposed in the tank 2 in the vicinity of the ultrasonic transducer 3, and is attached to and attached to the wall surface. Therefore, the temperature of the liquid 5 can be detected by the temperature sensor 18 and the temperature of the ultrasonic transducer 3 can be indirectly detected. Further, the control device 20 is connected to the oscillation circuit 7 and the temperature sensor 18. Therefore, based on the detection signal of the temperature sensor 18, the control device 20 can control the oscillation signal of the oscillation circuit 7 and keep the ejection amount of the mist 13 constant. The temperature sensor 18 and the adhesive do not affect the vibration of the ultrasonic vibrator 3.

この装置を美顔術ではなく、他の目的に使用することも考えられる。たとえば、液体５に薬剤を使用し、ミストに金属イオンや薬効成分を含ませ、これを皮膚に吸収させ、医用目的に使用することも考えられる。   It is also conceivable to use this device for other purposes than facial treatment. For example, it is conceivable that a drug is used for the liquid 5 and a metal ion or a medicinal component is contained in the mist, which is absorbed by the skin and used for medical purposes.

Claims (3)

液体収容タンクと、
前記タンクの底面に設けられた超音波振動子と、
前記超音波振動子に接続された増幅器と、
前記増幅器に接続され、発振信号を送り、前記発振信号によって前記超音波振動子を振動させ、超音波を発振させ、前記超音波によって前記タンクの液体を振動させ、その液面から液柱を噴出させ、前記液柱によってミストを発生させる発振回路と、
前記タンクに接続され、前記ミストを噴出させるノズルと、
前記超音波振動子の温度を間接的に検出する温度センサと、
前記発振回路および温度センサに接続され、前記温度センサの検出信号にもとづき、前記発振信号を制御し、前記ミストの噴出量を一定に保つ制御装置とからなる携帯用超音波ミスト発生装置。A liquid storage tank;
An ultrasonic transducer provided on the bottom of the tank;
An amplifier connected to the ultrasonic transducer;
Connected to the amplifier, sends an oscillation signal, vibrates the ultrasonic transducer by the oscillation signal, oscillates an ultrasonic wave, vibrates the liquid in the tank by the ultrasonic wave, and ejects a liquid column from the liquid surface And an oscillation circuit that generates mist by the liquid column;
A nozzle connected to the tank and ejecting the mist;
A temperature sensor that indirectly detects the temperature of the ultrasonic transducer;
A portable ultrasonic mist generating device comprising: a control device connected to the oscillation circuit and the temperature sensor, and controlling the oscillation signal based on a detection signal of the temperature sensor to keep the ejection amount of the mist constant. 放熱板を前記超音波振動子付近に配置し、前記温度センサを前記放熱板に取り付け、前記温度センサによって前記放熱板の温度を検出し、前記超音波振動子の温度を間接的に検出するようにしたことを特徴とする請求項１に記載の装置。   A heat sink is disposed in the vicinity of the ultrasonic vibrator, the temperature sensor is attached to the heat sink, the temperature of the heat sink is detected by the temperature sensor, and the temperature of the ultrasonic vibrator is indirectly detected. The apparatus according to claim 1, wherein: 前記超音波振動子付近において、前記温度センサを前記タンク内に配置し、前記温度センサによって前記液体の温度を検出し、前記超音波振動子の温度を間接的に検出するようにしたことを特徴とする請求項１に記載の装置。   In the vicinity of the ultrasonic transducer, the temperature sensor is disposed in the tank, the temperature of the liquid is detected by the temperature sensor, and the temperature of the ultrasonic transducer is indirectly detected. The apparatus according to claim 1.
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